./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0874.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0982eedb9d6e93530fad43cd68d66909a89a476f3c25408c32fb45fa977665ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:55,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:55,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:26:55,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:55,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:55,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:55,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:55,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:55,777 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:55,778 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:55,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:55,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:55,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:55,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:55,782 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:55,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:55,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:55,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:55,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:26:55,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:55,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:55,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:55,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:55,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:55,789 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:55,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:55,790 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:55,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:55,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:55,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:55,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:55,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:55,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:55,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:55,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:55,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:26:55,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:26:55,796 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:55,796 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:55,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:55,797 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:55,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:55,798 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0982eedb9d6e93530fad43cd68d66909a89a476f3c25408c32fb45fa977665ac [2023-11-21 22:26:56,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:56,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:56,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:56,161 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:56,163 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:56,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/float_req_bl_0874.c [2023-11-21 22:26:59,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:27:00,098 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:27:00,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/sv-benchmarks/c/float-newlib/float_req_bl_0874.c [2023-11-21 22:27:00,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/data/0ef1ec011/8f14a4f2c9c14ed992c6884a8e9e84e2/FLAGd9ff5d5b9 [2023-11-21 22:27:00,143 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/data/0ef1ec011/8f14a4f2c9c14ed992c6884a8e9e84e2 [2023-11-21 22:27:00,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:27:00,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:27:00,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:00,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:27:00,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:27:00,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:00,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611e57e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00, skipping insertion in model container [2023-11-21 22:27:00,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:00,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:27:00,520 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:599) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:2205) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$62(StandardFunctionHandler.java:434) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2096) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1679) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 22:27:00,528 INFO L158 Benchmark]: Toolchain (without parser) took 377.99ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 63.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:27:00,529 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 85.6MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:27:00,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.81ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 63.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:27:00,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory was 85.6MB in the beginning and 85.6MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.81ms. Allocated memory is still 121.6MB. Free memory was 75.9MB in the beginning and 63.7MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:599) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0874.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0982eedb9d6e93530fad43cd68d66909a89a476f3c25408c32fb45fa977665ac --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:27:03,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:27:03,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:27:03,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:27:03,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:27:03,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:27:03,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:27:03,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:27:03,823 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:27:03,828 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:27:03,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:27:03,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:27:03,830 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:27:03,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:27:03,833 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:27:03,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:27:03,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:27:03,835 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:27:03,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:27:03,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:27:03,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:27:03,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:27:03,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:27:03,838 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:27:03,838 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:27:03,839 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:27:03,839 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:27:03,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:27:03,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:27:03,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:27:03,842 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:27:03,843 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:27:03,844 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:27:03,844 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:03,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:27:03,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:27:03,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:27:03,846 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:27:03,847 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:27:03,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:27:03,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:27:03,848 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:27:03,848 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:27:03,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:27:03,852 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:27:03,853 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0982eedb9d6e93530fad43cd68d66909a89a476f3c25408c32fb45fa977665ac [2023-11-21 22:27:04,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:27:04,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:27:04,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:27:04,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:27:04,317 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:27:04,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/float-newlib/float_req_bl_0874.c [2023-11-21 22:27:08,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:27:08,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:27:08,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/sv-benchmarks/c/float-newlib/float_req_bl_0874.c [2023-11-21 22:27:08,446 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/data/8608bf49f/febe71267b04430b86473f4398550e0c/FLAGad43ad2ff [2023-11-21 22:27:08,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/data/8608bf49f/febe71267b04430b86473f4398550e0c [2023-11-21 22:27:08,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:27:08,471 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:27:08,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:08,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:27:08,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:27:08,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:08" (1/1) ... [2023-11-21 22:27:08,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6037b0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:08, skipping insertion in model container [2023-11-21 22:27:08,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:08" (1/1) ... [2023-11-21 22:27:08,556 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:27:08,996 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/sv-benchmarks/c/float-newlib/float_req_bl_0874.c[14102,14115] [2023-11-21 22:27:09,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:09,040 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:27:09,212 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/sv-benchmarks/c/float-newlib/float_req_bl_0874.c[14102,14115] [2023-11-21 22:27:09,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:09,246 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:27:09,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09 WrapperNode [2023-11-21 22:27:09,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:09,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:09,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:27:09,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:27:09,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,354 INFO L138 Inliner]: procedures = 26, calls = 193, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 751 [2023-11-21 22:27:09,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:09,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:27:09,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:27:09,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:27:09,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,380 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,417 INFO L187 HeapSplitter]: Split 86 memory accesses to 40 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 5, 2, 2, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] [2023-11-21 22:27:09,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:27:09,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:27:09,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:27:09,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:27:09,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (1/1) ... [2023-11-21 22:27:09,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:27:09,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:27:09,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:27:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:27:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:27:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-21 22:27:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-21 22:27:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-21 22:27:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-21 22:27:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-21 22:27:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-21 22:27:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-21 22:27:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-21 22:27:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-21 22:27:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-21 22:27:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-21 22:27:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2023-11-21 22:27:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2023-11-21 22:27:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2023-11-21 22:27:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2023-11-21 22:27:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2023-11-21 22:27:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2023-11-21 22:27:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2023-11-21 22:27:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2023-11-21 22:27:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2023-11-21 22:27:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2023-11-21 22:27:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2023-11-21 22:27:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2023-11-21 22:27:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2023-11-21 22:27:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2023-11-21 22:27:09,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2023-11-21 22:27:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#27 [2023-11-21 22:27:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#28 [2023-11-21 22:27:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#29 [2023-11-21 22:27:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#30 [2023-11-21 22:27:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#31 [2023-11-21 22:27:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#32 [2023-11-21 22:27:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#33 [2023-11-21 22:27:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#34 [2023-11-21 22:27:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#35 [2023-11-21 22:27:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#36 [2023-11-21 22:27:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#37 [2023-11-21 22:27:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#38 [2023-11-21 22:27:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#39 [2023-11-21 22:27:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:27:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-21 22:27:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-21 22:27:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-21 22:27:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-21 22:27:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-21 22:27:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-21 22:27:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-21 22:27:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2023-11-21 22:27:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2023-11-21 22:27:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2023-11-21 22:27:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2023-11-21 22:27:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2023-11-21 22:27:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2023-11-21 22:27:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2023-11-21 22:27:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2023-11-21 22:27:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2023-11-21 22:27:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2023-11-21 22:27:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#17 [2023-11-21 22:27:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#18 [2023-11-21 22:27:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#19 [2023-11-21 22:27:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#20 [2023-11-21 22:27:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#21 [2023-11-21 22:27:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#22 [2023-11-21 22:27:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#23 [2023-11-21 22:27:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#24 [2023-11-21 22:27:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#25 [2023-11-21 22:27:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#26 [2023-11-21 22:27:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#27 [2023-11-21 22:27:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#28 [2023-11-21 22:27:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#29 [2023-11-21 22:27:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#30 [2023-11-21 22:27:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#31 [2023-11-21 22:27:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#32 [2023-11-21 22:27:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#33 [2023-11-21 22:27:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#34 [2023-11-21 22:27:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#35 [2023-11-21 22:27:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#36 [2023-11-21 22:27:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#37 [2023-11-21 22:27:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#38 [2023-11-21 22:27:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#39 [2023-11-21 22:27:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-11-21 22:27:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-11-21 22:27:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-21 22:27:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-21 22:27:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-21 22:27:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-21 22:27:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-21 22:27:09,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-21 22:27:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-21 22:27:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-21 22:27:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-21 22:27:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-21 22:27:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-21 22:27:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-21 22:27:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2023-11-21 22:27:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2023-11-21 22:27:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2023-11-21 22:27:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2023-11-21 22:27:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2023-11-21 22:27:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2023-11-21 22:27:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2023-11-21 22:27:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2023-11-21 22:27:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2023-11-21 22:27:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2023-11-21 22:27:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2023-11-21 22:27:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2023-11-21 22:27:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2023-11-21 22:27:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2023-11-21 22:27:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2023-11-21 22:27:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#27 [2023-11-21 22:27:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#28 [2023-11-21 22:27:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#29 [2023-11-21 22:27:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#30 [2023-11-21 22:27:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#31 [2023-11-21 22:27:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#32 [2023-11-21 22:27:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#33 [2023-11-21 22:27:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#34 [2023-11-21 22:27:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#35 [2023-11-21 22:27:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#36 [2023-11-21 22:27:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#37 [2023-11-21 22:27:09,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#38 [2023-11-21 22:27:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#39 [2023-11-21 22:27:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-21 22:27:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-21 22:27:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-21 22:27:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-21 22:27:09,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-21 22:27:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-21 22:27:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-21 22:27:09,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2023-11-21 22:27:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2023-11-21 22:27:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2023-11-21 22:27:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2023-11-21 22:27:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2023-11-21 22:27:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2023-11-21 22:27:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2023-11-21 22:27:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2023-11-21 22:27:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2023-11-21 22:27:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2023-11-21 22:27:09,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#17 [2023-11-21 22:27:09,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#18 [2023-11-21 22:27:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#19 [2023-11-21 22:27:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#20 [2023-11-21 22:27:09,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#21 [2023-11-21 22:27:09,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#22 [2023-11-21 22:27:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#23 [2023-11-21 22:27:09,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#24 [2023-11-21 22:27:09,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#25 [2023-11-21 22:27:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#26 [2023-11-21 22:27:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#27 [2023-11-21 22:27:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#28 [2023-11-21 22:27:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#29 [2023-11-21 22:27:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#30 [2023-11-21 22:27:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#31 [2023-11-21 22:27:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#32 [2023-11-21 22:27:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#33 [2023-11-21 22:27:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#34 [2023-11-21 22:27:09,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#35 [2023-11-21 22:27:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#36 [2023-11-21 22:27:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#37 [2023-11-21 22:27:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#38 [2023-11-21 22:27:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#39 [2023-11-21 22:27:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-11-21 22:27:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-11-21 22:27:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-21 22:27:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-21 22:27:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-21 22:27:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-21 22:27:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-21 22:27:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-21 22:27:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-21 22:27:09,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2023-11-21 22:27:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2023-11-21 22:27:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2023-11-21 22:27:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2023-11-21 22:27:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2023-11-21 22:27:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2023-11-21 22:27:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2023-11-21 22:27:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2023-11-21 22:27:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2023-11-21 22:27:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16 [2023-11-21 22:27:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#17 [2023-11-21 22:27:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#18 [2023-11-21 22:27:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#19 [2023-11-21 22:27:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#20 [2023-11-21 22:27:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#21 [2023-11-21 22:27:09,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#22 [2023-11-21 22:27:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#23 [2023-11-21 22:27:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#24 [2023-11-21 22:27:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#25 [2023-11-21 22:27:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#26 [2023-11-21 22:27:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#27 [2023-11-21 22:27:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#28 [2023-11-21 22:27:09,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#29 [2023-11-21 22:27:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#30 [2023-11-21 22:27:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#31 [2023-11-21 22:27:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#32 [2023-11-21 22:27:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#33 [2023-11-21 22:27:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#34 [2023-11-21 22:27:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#35 [2023-11-21 22:27:09,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#36 [2023-11-21 22:27:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#37 [2023-11-21 22:27:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#38 [2023-11-21 22:27:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#39 [2023-11-21 22:27:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:27:09,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:27:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-21 22:27:09,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-21 22:27:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-21 22:27:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-21 22:27:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-21 22:27:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-21 22:27:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-21 22:27:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-21 22:27:09,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-21 22:27:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-21 22:27:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-21 22:27:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-21 22:27:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2023-11-21 22:27:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2023-11-21 22:27:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2023-11-21 22:27:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2023-11-21 22:27:09,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2023-11-21 22:27:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2023-11-21 22:27:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2023-11-21 22:27:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2023-11-21 22:27:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2023-11-21 22:27:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2023-11-21 22:27:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2023-11-21 22:27:09,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2023-11-21 22:27:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2023-11-21 22:27:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2023-11-21 22:27:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2023-11-21 22:27:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#27 [2023-11-21 22:27:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#28 [2023-11-21 22:27:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#29 [2023-11-21 22:27:09,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#30 [2023-11-21 22:27:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#31 [2023-11-21 22:27:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#32 [2023-11-21 22:27:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#33 [2023-11-21 22:27:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#34 [2023-11-21 22:27:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#35 [2023-11-21 22:27:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#36 [2023-11-21 22:27:09,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#37 [2023-11-21 22:27:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#38 [2023-11-21 22:27:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#39 [2023-11-21 22:27:09,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:27:10,222 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:27:10,225 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:27:38,718 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:27:38,919 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:27:38,920 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 22:27:38,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:38 BoogieIcfgContainer [2023-11-21 22:27:38,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:27:38,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:27:38,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:27:38,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:27:38,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:27:08" (1/3) ... [2023-11-21 22:27:38,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a01f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:38, skipping insertion in model container [2023-11-21 22:27:38,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:09" (2/3) ... [2023-11-21 22:27:38,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a01f97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:38, skipping insertion in model container [2023-11-21 22:27:38,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:38" (3/3) ... [2023-11-21 22:27:38,932 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0874.c [2023-11-21 22:27:38,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:27:38,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:27:39,032 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:27:39,039 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@13d8b45e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:27:39,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:27:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 149 states have (on average 1.7315436241610738) internal successors, (258), 150 states have internal predecessors, (258), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:27:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 22:27:39,063 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:39,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:27:39,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:39,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:39,074 INFO L85 PathProgramCache]: Analyzing trace with hash 572242049, now seen corresponding path program 1 times [2023-11-21 22:27:39,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:27:39,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820749873] [2023-11-21 22:27:39,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:39,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:39,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:27:39,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:27:39,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:27:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:40,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 22:27:40,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:27:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:27:40,463 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:27:40,464 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:27:40,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820749873] [2023-11-21 22:27:40,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820749873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:40,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:40,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:27:40,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951919014] [2023-11-21 22:27:40,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:40,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 22:27:40,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:27:40,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:27:40,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:27:40,501 INFO L87 Difference]: Start difference. First operand has 158 states, 149 states have (on average 1.7315436241610738) internal successors, (258), 150 states have internal predecessors, (258), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:41,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:27:42,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:42,329 INFO L93 Difference]: Finished difference Result 314 states and 538 transitions. [2023-11-21 22:27:42,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:27:42,332 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-21 22:27:42,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:42,340 INFO L225 Difference]: With dead ends: 314 [2023-11-21 22:27:42,340 INFO L226 Difference]: Without dead ends: 155 [2023-11-21 22:27:42,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:27:42,347 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:42,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-21 22:27:42,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-21 22:27:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2023-11-21 22:27:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 147 states have (on average 1.2448979591836735) internal successors, (183), 147 states have internal predecessors, (183), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-21 22:27:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 193 transitions. [2023-11-21 22:27:42,398 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 193 transitions. Word has length 17 [2023-11-21 22:27:42,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:42,398 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 193 transitions. [2023-11-21 22:27:42,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:42,399 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 193 transitions. [2023-11-21 22:27:42,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 22:27:42,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:42,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:27:42,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:27:42,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:42,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:42,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:42,606 INFO L85 PathProgramCache]: Analyzing trace with hash -168935605, now seen corresponding path program 1 times [2023-11-21 22:27:42,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:27:42,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748833896] [2023-11-21 22:27:42,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:42,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:42,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:27:42,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:27:42,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-21 22:27:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:43,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 22:27:43,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:27:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:27:44,665 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:27:44,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:27:44,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748833896] [2023-11-21 22:27:44,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748833896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:44,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:44,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:27:44,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865510274] [2023-11-21 22:27:44,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:44,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:27:44,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:27:44,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:27:44,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:27:44,668 INFO L87 Difference]: Start difference. First operand 155 states and 193 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:45,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:45,686 INFO L93 Difference]: Finished difference Result 169 states and 205 transitions. [2023-11-21 22:27:45,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:27:45,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2023-11-21 22:27:45,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:45,688 INFO L225 Difference]: With dead ends: 169 [2023-11-21 22:27:45,688 INFO L226 Difference]: Without dead ends: 25 [2023-11-21 22:27:45,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:27:45,697 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 32 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:45,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 59 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-21 22:27:45,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-21 22:27:45,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-21 22:27:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2023-11-21 22:27:45,711 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2023-11-21 22:27:45,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:45,711 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2023-11-21 22:27:45,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2023-11-21 22:27:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 22:27:45,713 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:45,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:27:45,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:27:45,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:45,933 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:45,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:45,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1222221351, now seen corresponding path program 1 times [2023-11-21 22:27:45,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:27:45,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322199652] [2023-11-21 22:27:45,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:45,935 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:45,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:27:45,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:27:45,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1bd446a-678c-4452-a728-ef34e9bedb38/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-21 22:27:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:47,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 22:27:47,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:27:48,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 22:27:48,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2023-11-21 22:27:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:27:51,069 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:27:51,069 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:27:51,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322199652] [2023-11-21 22:27:51,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322199652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:51,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:51,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-21 22:27:51,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427081832] [2023-11-21 22:27:51,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:51,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-21 22:27:51,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:27:51,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-21 22:27:51,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:27:51,071 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 12 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:56,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:56,462 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2023-11-21 22:27:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-21 22:27:56,471 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-21 22:27:56,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:56,471 INFO L225 Difference]: With dead ends: 32 [2023-11-21 22:27:56,471 INFO L226 Difference]: Without dead ends: 25 [2023-11-21 22:27:56,472 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2023-11-21 22:27:56,473 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 41 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:56,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 88 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-21 22:27:56,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-11-21 22:27:56,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-21 22:27:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2023-11-21 22:27:56,483 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 23 [2023-11-21 22:27:56,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:27:56,484 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2023-11-21 22:27:56,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 22:27:56,484 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2023-11-21 22:27:56,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 22:27:56,485 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:56,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]